High Power Chip Resistors / Wide Terminal Type
High Power Chip Resistors / Wide Terminal Type
2512, 2010, 1206, 0805
Type:
ERJ A1, B1, B2, B3
■
Recommended Applications
●
High solder-joint reliability by wide terminal construction
●
Excellent heat dissipation characteristics by wide
terminal construction
●
RoHS compliant
■
Features
●
Automotive electronic circuits including ECUs (Electrical
control unit), anti-lock breaking systems and air-bag systems
●
Current sensing for power supply circuits in a variety
of equipment
■Packaging
Methods
Please see Pages 40 to 43
■Recommended
Land Pattern
■Safety
Precautions
Please see Pages 44 to 45
Please see Page 47
■Recommended
Soldering Conditions
Please see Page 46
■
Explanation of Part Numbers
1
2
3
4
5
6
7
8
9
10
11
E
R
J
A
1
A
J
1
0
2
U
Product Code
Thick Film
Chip Resistors
Size, Power Rating
Type : inch Power R.
1.33 W
A1 : 2512
1 W,
B1 : 2010
2W
R
<
10
0.75 W,
1W
B2 : 1206
R
<
10
0.33 W,
0.5 W
B3 : 0805
R
<
1
(
(
)
)
Resistance Value Region
A 10
<
R
B 0.22
<
R <10
C 0.01
<
R < 0.22
D 0.005
<
R < 0.01
Resistance Tolerance
F
±
1%
G
±
2%
J
±
5%
Code
V
Packaging Methods
Packaging
Punched Carrier Taping
4 mm pitch, 5,000 pcs.
Type
ERJB2
ERJB3
U
Embossed Carrier Taping
ERJB1
4 mm pitch, 5,000 pcs.
Embossed Carrier Taping
ERJA1
4 mm pitch, 4,000 pcs.
(
)
Resistance Value
Shown by 3 digits or letters. Only when it is impossible,
shown by 4 digits or letters.
(ex.) 102 : 1.0 k
R01 : 0.01
= 10 m
4R7 : 4.7
R015 : 0.015 = 15 m
■
Construction (Example : ERJA1 type)
Protective coating
Electrode (Outer)
Thick film
Alumina substrate
resistive element
Electrode (Inner) Electrode (Between)
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
01 Mar. 2011
– 22 –
High Power Chip Resistors / Wide Terminal Type
■
Dimensions in mm (not to scale)
ERJA1 type
10–φD
A1
L
T
a
B1
ERJB1 type
B1
102
P
L
A2
W
T
B2 C B2
b
Mass (Weight) [1000 pcs.] : 40 g
Mass (Weight) [1000 pcs.] : 27 g
L
W
T
A
1
B
1
Dimensions
(mm) 6.40±0.20 3.20±0.20 0.55±0.10 0.70±0.20 0.45±0.20
A
2
B
2
P
φD
Dimensions
(mm) 0.70±0.20 1.25±0.15 1.27±0.10 0.30
+0.10
–0.20
C
0.4 min.
L
W
T
a
b
Dimensions
(mm) 5.00±0.20 2.50±0.20 0.55±0.20 0.25±0.20 0.90±0.20
ERJB2 type
( R< 10 m
L
a a
ERJB3 type
)
T
W
( 10 m
L
<
R
<
1M
T
aa
)
a
L
W
T
W
Rl0
R20
b b
b
b
Mass (Weight) [1000 pcs.] : 11 g
Mass (Weight) [1000 pcs.] : 4.8 g
Dimensions (mm)
L
W
T
a
b
5 m
<R<10
m
0.30±0.20
0.30±0.20
10 m
<R<220
m 3.20±0.20 1.60±0.15 0.65±0.15
0.50±0.20
220 m
<R<1
M
0.20±0.20
L
W
T
a
b
Dimensions
(mm) 2.00±0.10 1.25±0.10 0.50±0.10 0.25±0.15 0.40±0.15
■
Circuit Configuration
ERJA1 type
ERJB1 type
ERJB3 type
b
b
a
R
R
R
R
R
R
R
R
R
R
ERJB2 type
< Less than 10 m
R
R
R
>
R
< Low resistance zone >
R
R
< High resistance zone >
R
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
b
a
l03
00 Sep. 2010
– 23 –
W
High Power Chip Resistors / Wide Terminal Type
■
Ratings
Limiting
Power
Type
Element
Rating
(1)
(inch size)
Voltage
at 70 °C (W)
(V)
ERJA1
(2512)
Maximum
Resistance
Overload
Tolerance
(2)
Voltage
(%)
(V)
±1
400
±2, ±5
Resistance
Range
( )
T.C.R.
( 10
–6
/°C)
Category
Temperature
Range
(°C)
–55 to +155
1.33
200
100 m to 10 k (E24) R < 100 m : ±350
100 m
<
R : ±100 (±1%)
±200 (±2%, ±5%)
10 m to 10 k (E24)
ERJB1
(2010)
1
2(R
<
10 )
(3)
200
400
R < 22 m : ±350
22 m
<
R
<
47 m : ±200
±1, ±2, ±5 10 m to 10 k (E24) 47 m
<
R
<
100 m : ±150 (±1%)
±200 (±2%, ±5%)
100 m
<
R : ±100 (±1%)
±200 (±2%, ±5%)
±1, ±2
–55 to +155
ERJB2
(1206)
0.75
1(R
<
10 )
(3)
200
400
±5
（
10 m to 1 M (E24) R < 22 m : 0 to +300
22 m
<
R
<
47 m : 0 to +200
47 m
<
R
<
100 m : 0 to +150
100 m
<
R
<
220 m
:
0 to +150 (±1%)
–55 to +155
5 m to 1 M
0 to +200 (±2%, ±5%)
5 m to 9 m : 1m step
220 m
<
R : ±100 (±1%)
10 m to 1 M : E24
±200 (±2%, ±5%)
）
ERJB3
(0805)
0.33
0.5(R
<
1 )
(3)
150
200
±1, ±2, ±5
20 m to 10 (E24)
R < 47 m : 0 to +300
47 m
<
R
<
1 : 0 to +200
1 < R : ±100 (±1%)
±200 (±2%, ±5%)
–55 to +155
(1) Rated Continuous Working Voltage (RCWV) shall be determined from RCWV= Power Rating
Resistance Values, or Limiting Element Voltage
listed above, whichever less.
(2) Overload (Short-time Overload) Test Voltage (SOTV) shall be determined from SOTV=2.5
Power Rating or max. Overload Voltage listed above
whichever less.
(3) Please contact us when resistons with guaranteed high power are needed.
Rated Load (%)
Power Derating Curve
For resistors operated in ambient temperature above
70 °C, power rating shall be derated in accordance
with the figure on the right.
100
80
60
40
20
–55
°C
70
°C
155
°C
20 40 60 80 100 120 140 160 180
0
–60 –40 –20 0
Ambient Temperature (°C)
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
01 Mar. 2011
– 24 –
